12.
How To Reduce It? Applications require to load multiple initial data Each load makes a new round trip to the server Each request contains a huge amount of data And there is the HTTP protocol overheadWednesday, November 2, 2011

27.
Application Performance Do not try to solve everything with Widgets Do not run complicated logic on the client Do not use more Widgets than required Do not create Widgets until neededWednesday, November 2, 2011

28.
Widgets Are Expensive Do not use Widgets for everything They are expensive Try to use plain HTML where ever possibleWednesday, November 2, 2011

29.
Only Simple Logic Do not try to solve complicated logic on the client Make a server round trip Do not run code that is not required Analyze your code to see if really only the required runsWednesday, November 2, 2011

30.
Reduce The Widget Count Do not nest containers too deeply Only use the minimum amount of containers requiredWednesday, November 2, 2011